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Finding the Fourth Proportional to 893,840.60, 1,340,793.30 and 262,818.20

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Solution

The fourth proportional to 893,840.60, 1,340,793.30 and 262,818.20 is: 394,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,840.60 : 1,340,793.30 = 262,818.20 : x
  2. Step 2: Convert to fraction form
    893,840.60/1,340,793.30 = 262,818.20/x
  3. Step 3: Cross multiply
    893,840.60x = 1,340,793.30 × 262,818.20
  4. Step 4: Simplify right side
    893,840.60x = 352,384,881,678.06
  5. Step 5: Solve for x
    x = 352,384,881,678.06/893,840.60
  6. Step 6: Final answer
    x = 394,236.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.